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Texas oil lease

Producing

SEIFERT C

Seifert C is an oil lease in Karnes County, Texas, operated by BPX Operating Company in the Eagleville (Eagle Ford-2) field.

13 wells

175,133bbl oil, last 12 months−67% vs prior year
Operator
BPX Operating Company
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10170

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
562,516 mcf
Oil in Jul 2026
9,049 bbl

Production by month

Oil output fell 67% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 67% over the last 12 monthsMonthly oil production and gas for SEIFERT C, Aug 2023 to Jul 2026. Oil output fell 67% over the last 12 months. 175,133 bbl in the 12 months through Jul 2026, against 525,888 bbl in the 12 months before.Last 12 months: 175,133 bblbbl per monthmcf per month00100k250k200k500k300k750k400k1MOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 67% over the last 12 monthsMonthly oil production and gas for SEIFERT C, Aug 2023 to Jul 2026. Oil output fell 67% over the last 12 months. 175,133 bbl in the 12 months through Jul 2026, against 525,888 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100k250k200k500k300k750k400k1MJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2024 the lease's gas goes to a processing plant instead of lease fuel

  • Processing plant (3)
  • Lease fuel (1)
Since Apr 2024 the lease's gas goes to a processing plant instead of lease fuelShare of SEIFERT C gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2024: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2024 the lease's gas goes to a processing plant instead of lease fuelShare of SEIFERT C gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Apr 24: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    82% · 464,029 mcf

  • Lease fuel (1)

    18% · 98,487 mcf

Who has run this lease

The operator changed once, most recently in Jul 2025

Operators of this lease over timeDevon Energy Production Co, L.P., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L…Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now
Operators of this lease over timeDevon Energy Production Co, L.P., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L.P.Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

13 wells on this lease

Wells on SEIFERT C
API numberWell no.Status
42-123-325321HActive
42-123-331992HShut-in
42-123-332003HActive
42-123-332014HShut-in
42-123-332025HActive
42-123-332366HActive
42-123-332407HShut-in
42-123-332418HActive
42-255-3782210HActive
42-255-3782311HActive
42-255-3782412HActive
42-255-3782513HActive
42-255-3782614HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCOilGathers20Jul 1, 2025–
Ngl Crude Assets and Mktg, LLCOilGathers20Jan 1, 2026–
Phillips 66 CompanyOilGathers20Jul 1, 2025–
Shell Trading (Us) CompanyOilGathers20Jul 1, 2025–
Gulfmark Energy, Inc.OilGathers10Jan 1, 2026–
Ptt Premier Trading and Tran LLCOilGathers10Jul 1, 2025–
Bp Energy Co.Casinghead gasBuys100Jul 1, 2025–
Bpx Eagleford Jv Holdings LLCCasinghead gasGathers100Jan 1, 2026–
Bpx (Eagle Ford) Gathering LLCCasinghead gasGathers100Jan 1, 2020Jan 1, 2026
Gulfmark Energy, Inc.OilGathers20Jul 1, 2025Jan 1, 2026
Ngl Crude Assets and Mktg, LLCOilGathers10Jul 1, 2025Jan 1, 2026
Devon Gas Services, L.p.Casinghead gasBuys100Apr 1, 2025Jul 1, 2025
Devon Gas Services, L.p.OilGathers10Apr 1, 2025Jul 1, 2025
Enterprise Crude Oil LLCOilGathers10Apr 1, 2025Jul 1, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

655.69 acres on the newest permit

13 wells are listed on this lease

Permits for Seifert C
API numberWell no.Acreson the permit
42-255-3782614H655.69
42-255-3782210H655.69
42-255-3782311H655.59
42-255-3782412H655.69
42-255-3782513H655.69
42-123-332366H655.69
42-123-332407H655.69
42-123-332418H655.69
42-123-331992H655.69
42-123-332003H655.69
42-123-332014H655.69
42-123-332025H655.69

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

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36 months, newest first

Ledger for SEIFERT C
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026BPX Operating9,0499,16031,86024,3920$80.46$2.89
Jun 2026BPX Operating9,2108,88036,49828,6080$84.81$3.15
May 2026BPX Operating11,82111,82440,18331,1880$102.13$2.94
Apr 2026BPX Operating11,70611,78339,29829,6870$100.32$2.77
Mar 2026BPX Operating13,18513,18340,46331,3170$91.38$3.04
Feb 2026BPX Operating10,83810,81937,26329,4750$64.51$3.62
Jan 2026BPX Operating16,54616,76546,43537,0140$60.04$7.72
Dec 2025BPX Operating16,73816,28041,10941,1090$57.97$4.26
Nov 2025BPX Operating16,19216,45954,23045,0970$60.06$3.79
Oct 2025BPX Operating19,30419,24661,88552,2600$60.89$3.19
Sep 2025BPX Operating19,22819,19461,42452,2380$63.96$2.97
Aug 2025BPX Operating21,31621,33571,86861,6440$64.86$2.91
Jul 2025BPX Operating22,67622,91976,13566,3040$68.39$3.20
Jun 2025Devon Energy25,11925,37985,10575,0050$68.17$3.02
May 2025Devon Energy27,08426,73083,85474,3750$62.17$3.12
Apr 2025Devon Energy24,44124,19982,69574,1280$63.54$3.42
Mar 2025Devon Energy25,49325,97981,95472,5930$68.24$4.12
Feb 2025Devon Energy33,15032,958108,487100,8550$71.53$4.19
Jan 2025Devon Energy38,93738,552124,476115,2720$75.74$4.13
Dec 2024Devon Energy39,58640,063125,499115,5210$70.12$3.01
Nov 2024Devon Energy47,44547,475140,869130,6230$69.95$2.12
Oct 2024Devon Energy61,88961,452181,356169,8210$71.99$2.20
Sep 2024Devon Energy74,87875,171231,327219,7720$70.24$2.28
Aug 2024Devon Energy105,190105,001281,389270,6210$76.68$1.99
Jul 2024Devon Energy154,643154,991348,730343,8620$81.80$2.07
Jun 2024Devon Energy228,528228,316541,339537,0390$79.77$2.54
May 2024Devon Energy395,239395,947885,632881,0790$80.02$2.12
Apr 2024Devon Energy195,136194,051444,815441,1340$85.35$1.60
Mar 2024Devon Energy1685581,62600$81.28$1.49
Feb 2024Devon Energy3915602,7173500$77.25$1.72
Jan 2024Devon Energy1,9111,3215,4711,1760$74.15$3.18
Dec 2023Devon Energy2,4622,5017,4462,9550$71.90$2.52
Nov 2023Devon Energy2,6992,66410,0635,7450$77.69$2.71
Oct 2023Devon Energy2,5552,6778,4534,4050$85.64$2.98
Sep 2023Devon Energy2,4882,2946,6042,9570$89.43$2.64
Aug 2023Devon Energy2,6422,8616,6502,9750$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorBPX Operating CompanyFieldEagleville (Eagle Ford-2)CountyKarnes County

BPX Operating Company in Karnes County

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